1/11/2016 Spinal Questions Flashcards

1
Q

How many synovial joint surfaces are present at the fifth lumbar vertebral body?

A

None

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2
Q

How many fibrous (Amphiarthrosis) Syndesmosis joint surfaces are present on the L5 vertebral body?

A

Four

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3
Q

How many joint surfaces are present on the vertebral body of the fifth lumbar?

A

Six

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4
Q

How many cartilaginous (Amphiarthrosis) symphysis joint surfaces are present on the vertebral body of L5?

A

Two

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5
Q

What muscle(s) attach to the fifth lumbar vertebral body?

A

Psoas major

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6
Q

What are the attachment sites of the superior corporotransverse ligaments at the L4-L5 intervertebral foramen?

A

L4 vertebral body and L4-L5 intervertebral disc to the transverse process of L5

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7
Q

What are the attachment sites of the inferior corporotransverse ligaments at the L4-L5 intervertebral foramen?

A

L5 vertebral body and L5-S1 intervertebral disc to the transverse process of L5

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8
Q

What characteristic of the L1-L4 pedicle may be used to differentiate it from the L5 segment? Be specific and complete as the difference(s) on a segment from each group.

A

On cranial view, the lateral surface of the pedicle is apparent on a L1-L4 segment.
At L5 the transverse process originates from the vertebral body, pedicle and lamina-pedicle region

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9
Q

What is the generic direction and length of the fifth lumbar transverse process?

A

It is directed straight lateral and is the shortest of all lumbar transverse processes

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10
Q

What accounts for the shortness of the L5 transverse process?

A

The hip/innominate bones diminish the available space in the transverse plane

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11
Q

What parts of the lumbar transverse are homologous to the cervical transverse process parts?

A

L transverse tubercle = C anterior tubercle; L transverse process = C costal element
L accessory process = C posterior tubercle
L transverse process origin = C true transverse process

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12
Q

What muscles may attach to the transverse process of the fifth thoracic vertebra?

A

Psoas major, Quadratus Lumborum, Longissimus Thoracis, rotator brevis, rotator Longus and intertransversarii

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13
Q

What ligaments traditionally attach to the transverse process of the fifth lumbar vertebra?

A

Lumbosacral, iliolumbar and mammillary-accessory ligaments

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14
Q

What is the orientation of the fifth lumbar superior articular facet?

A

Backward, upward, medial (BUM); typically concave

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15
Q

What is the orientation of the fifth lumbar inferior articular facet?

A

Forward, lateral, downward (FoLD); significant Convexity

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16
Q

What is the name given to the congenital condition in which the fifth lumbar spinous process is elongated, the sacrum exhibits spina bifida, and dorsiflexion produces pain?

A

Knife Clasp Syndrome

17
Q

What muscles will attach to the fifth lumbar spinous process?

A

Latissimus Dorsi, Iliocostalis Lumborum, Longissimus Thoracis, multifidis, rotator Longus, rotator brevis and interspinalis

18
Q

What is the appearance of the fifth lumbar vertebral body from the lateral view?

A

Anterior height is greater than posterior height by several millimeters; it appears to form a wedge on a lateral X-Ray view